Journal of Materials Research and Technology Journal of Materials Research and Technology
J Mater Res Technol 2017;6:171-7 DOI: 10.1016/j.jmrt.2016.11.003
Original Article
Synthesis of carbon nanostructures by the pyrolysis of wood sawdust in a tubular reactor
Maria G. Sebag Bernd, Saulo R. Bragança, , Nestor Heck, Luiz C.P. da Silva Filho
Post-Graduation Course of Mines, Metallurgy, and Materials (PPGEM), Federal University of Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
Received 27 July 2016, Accepted 16 November 2016

Carbon nanostructures were produced by wood sawdust pyrolysis. The results obtained revealed that the thermodynamic simulations (FactSage) were successful to predict the best reaction conditions for the synthesis of carbon, and potentially carbon fibers and nanotubes production. Graphite formation was indicated by XRD study, and by thermal analysis which presented the carbon oxidation range. The morphology of the samples (SEM/TEM analysis) showed carbon nanotubes/nanofibers varying in size and thickness, with defects and flaws. The tubular reactor was considered to be an economic and environmental correct way to nanomaterials growing, with the simultaneous generation of hydrogen and lower pollutant gas emissions.

Carbon nanostructures, Tubular reactor, Wood pyrolysis, Thermodynamic simulation
J Mater Res Technol 2017;6:171-7 DOI: 10.1016/j.jmrt.2016.11.003
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